Ruling · Durgā Navamī · 1955

Thursday 24 November

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 126 minutes.

Decide it for

DaqingDelhiKolkataSingaporeSydneyJersey City

46°35′ N 125°00′ E · Asia/Shanghai · GeoNames 2037860

The two middays

One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Wednesday 23 November

Navamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:02  11:50 madhyāhna ends
10:1410:3811:0211:2611:5012:1412:38

0 of 48 minutes covered

Midday of Thursday 24 November

Taken. The only midday Navamī reaches.

madhyāhna begins 11:02  11:50 madhyāhna ends
10:1410:3811:0211:2611:5012:1412:38

48 of 48 minutes covered

Navamī presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Navamī runs from 13:56 on Wed 23 Nov to 14:13 on Thu 24 Nov.

    1955-11-23T05:55:48Z → 1955-11-24T06:12:59Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:02–11:50 on the 23rd, 11:02–11:50 on the 24th.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Navamī must be present during madhyāhna. It covers 0 of 48 minutes on the 23rd and 48 of 48 on the 24th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104

  4. 04

    Tie-break

    Only one midday qualifies. No tie-break is needed.

    priority: purvaviddha → only-day · margin 7549 s

  5. 05

    Ruling

    Durgā Navamī, Daqing, 1955: Thursday 24 November.

    confidence: determinate

Say it like this

In Daqing, Durgā Navamī 1955 falls on Thursday 24 November. Navamī runs from 13:56 on Wed 23 Nov to 14:13 on Thu 24 Nov and covers all of madhyāhna that midday.

ahargana.org/daqing/festivals/1955/durga-navami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 24 Nov
Ahargaṇa, classicalDisc centre, no refractionThu 24 Nov
compat-drikpanchangComparison profileThu 24 Nov
No institution has a recorded ruling for Daqing.

Institutional rulings are recorded with a source address, and are never edited to agree.

The rule, as data

/rules/durga-navami · ruleset 2026.3-draft

Month
Kārtika, amānta
Pakṣa · aṅga
Śukla · Navamī
Kāla
Madhyāhna
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 104

“S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata.” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceNavamīMadhyāhna 23rdCoveredMadhyāhna 24thCoveredRuled
Los Angeles21:56 → 22:1311:1548 min11:150 min23 Nov
Chicago23:56 → 00:1311:1348 min11:130 min23 Nov
Jersey City00:56 → 01:1311:1848 min11:190 min23 Nov
Port of Spain01:56 → 02:1311:2848 min11:290 min23 Nov
London05:56 → 06:1311:2348 min11:230 min23 Nov
Durban07:56 → 08:1311:1848 min11:190 min23 Nov
Dubai09:56 → 10:1311:4148 min11:410 min23 Nov
Delhi11:26 → 11:4311:4348 min11:430 min23 Nov
Kolkata11:26 → 11:4310:5921 min10:5944 min23 Nov
Singapore13:26 → 13:4311:570 min11:5748 min24 Nov
Sydney15:56 → 16:1311:180 min11:1848 min24 Nov
Suva17:56 → 18:1311:290 min11:2948 min24 Nov
Profile · tradition
pac-rp@2026.1 · smarta
Rule
durga-navami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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